man: more backslash-encoding of characters

"-" is the dash, "\-" is minus as we know, but groff lists some more
characters: "^" is "modifier circumflex" and "~" is "modifier tilde",
which, too, need to be escaped for our use.

Signed-off-by: Jan Engelhardt <jengelh@inai.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/extensions/libxt_CONNMARK.man b/extensions/libxt_CONNMARK.man
index 93179239..742df11d 100644
--- a/extensions/libxt_CONNMARK.man
+++ b/extensions/libxt_CONNMARK.man
@@ -8,7 +8,7 @@ Zero out the bits given by \fImask\fP and XOR \fIvalue\fP into the ctmark.
 Copy the packet mark (nfmark) to the connection mark (ctmark) using the given
 masks. The new nfmark value is determined as follows:
 .IP
-ctmark = (ctmark & ~ctmask) ^ (nfmark & nfmask)
+ctmark = (ctmark & \~ctmask) \^ (nfmark & nfmask)
 .IP
 i.e. \fIctmask\fP defines what bits to clear and \fInfmask\fP what bits of the
 nfmark to XOR into the ctmark. \fIctmask\fP and \fInfmask\fP default to
@@ -18,7 +18,7 @@ nfmark to XOR into the ctmark. \fIctmask\fP and \fInfmask\fP default to
 Copy the connection mark (ctmark) to the packet mark (nfmark) using the given
 masks. The new ctmark value is determined as follows:
 .IP
-nfmark = (nfmark & ~\fInfmask\fP) ^ (ctmark & \fIctmask\fP);
+nfmark = (nfmark & \~\fInfmask\fP) \^ (ctmark & \fIctmask\fP);
 .IP
 i.e. \fInfmask\fP defines what bits to clear and \fIctmask\fP what bits of the
 ctmark to XOR into the nfmark. \fIctmask\fP and \fInfmask\fP default to